S
M
T
W
T
F
S
28
100°
78°
29
97°
74°
30
97°
74°
1
98°
70°
2
100°
69°
3
100°
71°
4
100°
77°
5
102°
78°
6
106°
78°
7
107°
82°
8
106°
83°
9
107°
82°
10
107°
82°
11
104°
78°
12
102°
81°
13
102°
81°
14
104°
81°
15
104°
81°
16
103°
77°
17
98°
76°
18
99°
78°
19
101°
79°
20
101°
80°
21
102°
79°
22
101°
78°
23
105°
77°
24
98°
75°
25
99°
75°
26
99°
76°
27
100°
75°
28
100°
77°
29
104°
79°
30
105°
80°
31
104°
81°
1
101°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Santa Rosa
Santa Rosa's July 2026 forecast shows daily high temperatures ranging from 98° to 107°, with overnight lows between 75° and 82°. The average high for July is 102° with an average low of 79°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Santa Rosa. See also: August | September | October.
